1. Get your certificate at http://cer.opda.cn/en/index.php?module=indexOPDA is the largest website provide certificate for you. You may have get your certificate as least about some hours and maximum about 1 day. The most importance, you need have a account there.

- Now you register new account.

- Go to this form and let you fill in all of fields, last Press "Submit and register" button.

- After register successful, you log-in and select "My Certificate"

- Now you will see your browser like me. Hit Apply cer

- The form of applying cer showing, you enter all informations required, and select "Submit application" button

- Report your work successful

- Then the system redirect you here automatically. You will see you be in location same this pic below. I think you understand it, Sate of your apply is now apllying, and you need wait till it's available

- After some hours later, you login again and select "My certificate" and you will see the State has changed to Normal meaning your certificate is available. Click to .cer, .key terms to download them.

1.1 - Sign applications with your .cer & .key files that you got.- Go to here meaning you have got your certificate that your need to sign application. Now, you need setup this signed-tool on your PC - Its name is SignSIS-GUI. Download here or attachment below

After setup complete, open SignSis and do same below:1. Press button 1 then locate to the path of .cer file2. Press button 2 then locate to the path of .key file3. Press button 3 then locate to the path of application file4. Press SignSiS button - 4

- And a small pop-up window appear with "Successful signed!"

- OK. Now let you transfer the application file signed to your phone and install it.